Fromfrom 417 Take The E. Lake Mary Exit And Go East On E Lake Mary Blvd. Drive Past The Sanford International Airport. Cross Over Sr 46 ( Publix On The Right). Turn Left Onto Fl-415 Alt S (0.4 Miles) And Turn Left- On Fl-415 Alt S / Celery Ave. Turn Right Onto River Stone Trail ( Community Entrance). 417 Take The E. Lake Mary Exit And Go East On E Lake Mary Blvd. Drive Past The Sanford International Airport. Cross Over Sr 46 ( Publix On The Right). Turn Left Onto Fl-415 Alt S (0.4 Miles) And Turn Left On Fl-415 Alt S/Celery Ave. Turn Right Into River Stone Trail (Community Entrance)